CN216410155U - Building settlement monitoring system based on LoRa wireless communication - Google Patents

Abstract

The utility model discloses a building settlement monitoring system based on LoRa wireless communication, which mainly comprises a monitoring terminal node, a gateway, a cloud server and a user terminal. Wherein, monitoring terminal node and gateway establish remote low-power consumption LAN based on loRa wireless communication technology, and monitoring terminal node transmits the settlement of monitoring the building that the monitoring terminal node will gather, crack, the tilt state data for the gateway through loRa wireless communication, and the gateway passes through the 4G network and uploads data to cloud server storage, and user terminal passes through the internet and realizes looking over cloud server's remote access. The system has simple structure, and realizes multi-directional long-term, continuous and automatic monitoring of the building; by adopting the wireless communication technology, wiring is avoided, and a large amount of manpower and material resources are saved; meanwhile, cloud storage of data provides a large amount of reliable data for safety diagnosis of the monitored building.

Description

Building settlement monitoring system based on LoRa wireless communication

Technical Field

The utility model relates to the technical field of monitoring, in particular to a building settlement monitoring system based on wireless communication.

Background

As a crystal of modern building art, a high-rise building becomes a sharp instrument for molding urban landmarks, showing economic and political performance and popularizing urban images by the unique cognition of gorgeous facades, important locations of local hubs and urban landmarks. Although the building foundation has advantages, the uneven geological structure of the building foundation, the different physical characteristics of soil, the change of air temperature, the plastic deformation of the foundation, the seasonal and periodic change of underground water level, the underground water load, the unbalanced load distribution caused by the structure of the building and the like all cause the uneven settlement or the inclination or the crack of the building, influence the normal use, even endanger the safety of the building and bring great loss to the society and the lives of people. Therefore, it is very important to monitor the settlement safety of the building in the whole life cycle of the construction and use of the building.

The building settlement monitoring has a good diagnosis effect on the safety of the monitored building, and simultaneously provides accurate information to a management decision maker in real time in a macroscopic view, so that when an abnormal phenomenon is found, reasons can be analyzed in time to take measures, accidents are prevented, and the purpose of safe operation of the monitored building is achieved. Meanwhile, the building settlement monitoring can timely find out the potential quality hazards, and even if the building is settled, important basis can be provided for the next step of formulating a reinforcement treatment scheme.

Leveling measurement is widely applied as a settlement monitoring technology, the method is simple, the precision is high, manual timing observation is needed, the workload is large, the time consumption is long, and the cost is high. In view of the requirements of long building settlement monitoring time, large area and the like, the traditional leveling method cannot meet the working requirement and is not economical.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an extensible building settlement monitoring system based on a LoRa wireless communication technology, which realizes multi-directional long-term, continuous and automatic monitoring of a building.

In order to achieve the purpose, the utility model provides the following technical scheme:

a building settlement monitoring system based on LoRa wireless communication mainly comprises four parts, namely a monitoring terminal node, a gateway, a cloud server and a user terminal.

The monitoring terminal node comprises three types of settlement monitoring terminal nodes, crack monitoring terminal nodes and inclination angle monitoring terminal nodes, wherein LoRa modules are arranged in the three types of monitoring terminal nodes and are respectively used for realizing long-term, continuous and automatic acquisition of settlement, crack and inclination information of the building. The monitoring terminal node comprises a first CPU, a first LoRa transceiver, a first positioning module, a battery interface, a sensor, a first peripheral circuit connected with a first CPU line and the like. First loRa transceiver passes through the SPI interface and is connected with first CPU, subsides the building that will acquire, information transmission such as crack, slope, position has built-in loRa module and the gateway that the network deployment is successful. The first positioning module is connected with the first CPU through a UART interface, and preferably selects the GPS positioning module to acquire the position information of the corresponding monitoring terminal node, so that the staff can avoid troubleshooting one by one when problems occur, and the workload is saved. The battery interface is used for installing a battery, supplying power to the monitoring terminal node, and is connected with the first CPU through the electric quantity monitoring module, so that wiring is avoided during outdoor installation, the cost is reduced, and the workload is saved; the electric quantity monitoring module monitors the electric quantity of the battery in real time, and reminds workers to replace the battery in time, so that monitoring interruption caused by insufficient electric quantity is avoided. The sensor is connected with the first CPU through the amplifying circuit and the A/D conversion circuit, comprises a static level gauge, a displacement sensor and an inclination sensor, realizes the collection of the settlement, the crack and the inclination information of the monitored building, and can also be expanded to collect the relevant state information of the monitored building.

The gateway is internally provided with a LoRa module and a communication module, forms a remote low-power local area network and is also an information bridge between the monitoring terminal nodes and the cloud server, and building settlement, cracks, inclination state data and position information acquired by the monitoring terminal nodes are uploaded to the cloud server for storage. The gateway mainly comprises a second CPU, a second LoRa transceiver, a power circuit, a second positioning module, a communication module and a second peripheral circuit connected with the second CPU through a line. And the second LoRa transceiver is connected with the second CPU through the SPI interface and receives the building state data monitored by the monitoring terminal node. And the power supply circuit is connected with the second CPU through a line and converts the power supply voltage into the voltage required by the normal work of the gateway. The second positioning module is connected with the second CPU through a UART interface, and preferably selects a GPS positioning module to acquire the position information of the corresponding gateway. The communication module, preferably a 4G wireless communication module, is connected with the second CPU through a UART interface, and data of the monitoring terminal node received by the gateway is processed and repackaged by the second CPU and then uploaded to the cloud server for storage through the communication module, so that a large amount of data can be stored and remotely accessed and checked by a user.

The cloud server builds a cloud Internet of things database, and a large amount of data monitored by the monitoring terminal nodes for a long time are stored, so that remote access and checking of a user are facilitated.

The user terminal comprises a PC and a mobile terminal, a PC client and an APP application program applicable to Android/IOS are developed, and the user can check the state information of the monitored building without going out.

The utility model has the positive effects that:

1. the building settlement monitoring system based on the LoRa wireless communication realizes long-term, continuous and automatic monitoring of the settlement, crack and inclination state of the building, plays a good diagnosis role for building safety, provides accurate, reliable and timely information for management decision makers so as to take reasonable measures and prevent accidents; meanwhile, a fact basis is provided for a building to make a reinforcing treatment scheme.

2. This building settlement monitoring system based on loRa wireless communication is based on low-power consumption, long distance transmission's loRa wireless communication technique, during outdoor installation, avoids the wiring, has saved a large amount of manpower and materials, and network expansibility is strong, supports monitoring terminal node many.

3. The monitoring terminal node of the building settlement monitoring system based on LoRa wireless communication is powered by a battery, has an electric quantity monitoring function, and sends electric quantity early warning to workers so as to replace the battery in time; meanwhile, positioning modules are arranged in the monitoring terminal nodes and the gateway, and workers can quickly know the specific direction of the building with problems, so that the workers are prevented from being checked one by one, and the workload is reduced.

4. This building settlement monitoring system based on loRa wireless communication has realized the cloud storage of data, can store a large amount of data, provides a large amount of data bases for building safety diagnosis, also convenience of customers remote access masters by the settlement of monitored building, crack and the tilt state anytime and anywhere.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention.

Fig. 2 is a schematic view of a monitoring terminal node structure according to the present invention.

Fig. 3 is a schematic diagram of a gateway structure according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, and are intended to illustrate the present invention, but not to be construed as limiting the present invention.

As shown in fig. 1, the building settlement monitoring system based on LoRa wireless communication provided by the present invention mainly comprises four parts, namely, a monitoring terminal node, a gateway, a cloud server, and a user terminal. The monitoring terminal node and the gateway establish a remote low-power local area network based on the LoRa wireless communication technology, the monitoring terminal node transmits the collected settlement, crack and inclination state data of the monitored building to the gateway through the LoRa wireless communication, the gateway uploads the data to the cloud server for storage through the 4G network, and the user terminal realizes remote access to the cloud server through the Internet.

The monitoring terminal nodes are all internally provided with LoRa modules and are divided into three types, namely settlement monitoring terminal nodes, crack monitoring terminal nodes and inclination angle monitoring terminal nodes, so that long-term, continuous and automatic acquisition of settlement, crack and inclination information of the building is realized. As shown in fig. 2, the monitoring terminal node includes a first CPU, a first LoRa transceiver connected to the first CPU through an SPI interface, a first positioning module connected to the first CPU through a UART interface, a battery interface connected to the first CPU through an electric quantity monitoring module, a sensor connected to the first CPU through an amplifying circuit and an a/D converting circuit, and a first peripheral circuit connected to the CPU through a circuit. The sensor comprises a static level gauge, a displacement sensor and an inclination sensor, realizes the collection of the settlement, crack and inclination information of the monitored building, and can also be expanded to collect the relevant state information of the monitored building; the first positioning module preferably selects a GPS positioning module to acquire the position information of the corresponding monitoring terminal node; the first LoRa transceiver repacks information such as building settlement, cracks, inclination and monitoring terminal node positions processed by the first CPU and sends the repackaged information to a gateway which is internally provided with a LoRa module and successfully constructs a network. For monitor terminal node power supply behind the battery interface installation battery, electric quantity monitoring module real-time supervision battery electric quantity to in time remind the staff to change the battery, avoid because the electric quantity is not enough to lead to the monitoring to be interrupted.

As shown in fig. 3, the gateway includes a second CPU, a second LoRa transceiver connected to the second CPU through an SPI interface, a power circuit connected to the second CPU through a line, a second positioning module and a communication module connected to the second CPU through a UART interface, and a second peripheral circuit connected to the second CPU through a line. The second positioning module preferably selects a GPS positioning module to acquire the position information of the corresponding gateway; the second LoRa transceiver receives building state data monitored by the monitoring terminal node; the communication module preferably selects a 4G wireless communication module, and data of the monitoring terminal node received by the gateway is processed by the second CPU, repackaged and uploaded to the cloud server for storage through the communication module so as to facilitate storage of a large amount of data and remote access and viewing of users; the power supply circuit converts the supply voltage into a voltage required by the gateway to work normally.

The cloud server builds a cloud Internet of things database and stores a large amount of data monitored by the monitoring terminal nodes for a long time so as to be remotely accessed and checked by a user. The user terminal comprises a PC and a mobile terminal, a PC client and an APP application program applicable to Android/IOS are developed, and the user can check the state information of the monitored building without going out.

The utility model has simple structure, strong network expansibility and more nodes supporting monitoring terminals based on the LoRa wireless communication technology; adopt battery powered, and have the electric quantity monitoring function, send the electric quantity early warning to the staff, during outdoor installation, avoided the wiring, saved a large amount of manpower and materials. Positioning modules are arranged in the monitoring terminal nodes and the gateways, so that workers can quickly know the specific direction of a building with problems, the workers are prevented from checking one by one, and the workload is reduced; meanwhile, cloud storage of data is realized, a large amount of data can be stored, a large amount of reliable data bases are provided for building safety diagnosis, managers can take reasonable measures conveniently, and accidents are prevented; meanwhile, a fact basis is provided for a building to make a reinforcing treatment scheme.

Claims (8)

1. The utility model provides a building settlement monitoring system based on loRa wireless communication which characterized in that: the system comprises four parts, namely a monitoring terminal node, a gateway, a cloud server and a user terminal;

the monitoring terminal node comprises a first CPU, a first LoRa transceiver, a first positioning module, a battery interface, a sensor and a first peripheral circuit;

the gateway comprises a second CPU, a second LoRa transceiver, a power circuit, a second positioning module, a communication module and a second peripheral circuit;

monitoring terminal node with the gateway all embeds there is the loRa module, constitutes remote low-power consumption LAN through loRa wireless communication, transmission data.

2. The building settlement monitoring system based on LoRa wireless communication of claim 1, wherein: first loRa transceiver passes through the SPI interface and is connected with first CPU, second loRa transceiver passes through the SPI interface and is connected with second CPU.

3. The building settlement monitoring system based on LoRa wireless communication of claim 1, wherein: the sensor is connected with the first CPU through an amplifying circuit and an A/D conversion circuit, and the sensor is divided into a static level gauge, a displacement sensor and an inclination sensor.

4. The building settlement monitoring system based on LoRa wireless communication of claim 1, wherein: the first positioning module and the second positioning module are respectively connected with the first CPU and the second CPU through UART interfaces.

5. The building settlement monitoring system based on LoRa wireless communication of claim 1, wherein: the battery interface is used for installing a battery, the battery is used for supplying power to the monitoring terminal node, and the battery interface is connected with the first CPU through the electric quantity monitoring module; the electric quantity monitoring module monitors the electric quantity of the battery in real time.

6. The building settlement monitoring system based on LoRa wireless communication of claim 1, wherein: and a communication module is arranged in the gateway and is connected with the second CPU through a UART interface.

7. The building settlement monitoring system based on LoRa wireless communication of claim 1, wherein: the cloud server builds a cloud Internet of things database to realize cloud storage of a large amount of data.

8. The building settlement monitoring system based on LoRa wireless communication of claim 1, wherein: the user terminal comprises a PC and a mobile terminal.

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